26734189 has 2 divisors, whose sum is σ = 26734190. Its totient is φ = 26734188.

The previous prime is 26734181. The next prime is 26734193. The reversal of 26734189 is 98143762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19669225 + 7064964 = 4435^2 + 2658^2 .

It is a cyclic number.

It is not a de Polignac number, because 26734189 - 2³ = 26734181 is a prime.

It is a super-2 number, since 2×26734189² = 1429433722975442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26734181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13367094 + 13367095.

It is an arithmetic number, because the mean of its divisors is an integer number (13367095).

Almost surely, 2^26734189 is an apocalyptic number.

It is an amenable number.

26734189 is a deficient number, since it is larger than the sum of its proper divisors (1).

26734189 is an equidigital number, since it uses as much as digits as its factorization.

26734189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 26734189 is about 5170.5114834028. The cubic root of 26734189 is about 299.0122663245.

The spelling of 26734189 in words is "twenty-six million, seven hundred thirty-four thousand, one hundred eighty-nine".